Adding Integers with DIFFERENT SIGNS (positive + negative or negative + positive). Different Signs-Find the Difference Subtract the numbers and keep the sign of the number with the MOST chips (black = positive, red = negative) Example 1: -8 + 2 = -6 Example 2: -4 + 7 = 3. î î î.ifferent Signs-Find the Difference Subtract the numbers and keep the sign of the number with the MOST chips (black = positive, red = negative) Example 1: -8 + 2 = -6 Example 2: -4 + 7 = 3.
* A lubricant. Zinc Stearate is a zinc soap known for repelling water, and is used in the cosmetics and personal care industries as a lubricant. It is an insoluble salt made of commercial stearic acid, a mild fatty acid used as an emollient and lubricant, and is often combined with zinc oxide.
Brasses are copper zinc alloys. In general, they have good strength and corrosion resistance, although their structure and properties are a function of zinc content. Alloys containing up to approximately 35% zinc are single phase alloys, consisting of a solid solution of zinc and alpha copper.